Dom Nodes Adding, Deleting, Alerts
So a little lost here, I'm not sure how to approach this, I've done the HTML and CSS but not sure how to do it in JS. My HTML: <
Solution 1:
This is the code with little explain
<!doctype html><htmllang="en"><head><title> Task 1 </title><metacharset="utf-8"><!--<script src="DomNodes.js"></script>--><script>functionmyFunction() {
//get input uservar userInput=document.getElementById("input").value;
//clean text areadocument.getElementById("input").value="";
//create paragraphvar para = document.createElement("p");
//assign value ->user inputvar node = document.createTextNode(userInput);
//assign text at paragraph
para.appendChild(node);
//assign paragraph at div tagvar element = document.getElementById("output");
element.appendChild(para);
}
functionremove_LastChild() {
//get div outputvar select = document.getElementById('output');
//control if there are child into output divif (select.childElementCount>0){
//select last paragraph and remove it
select.removeChild(select.lastChild);
}
else{
alert("Tehere are not paragraph!");
}
}
</script><style>#output {
border: blue 5px solid;
padding: 10px;
margin-bottom: 10px;
margin-top: 10px;
width: 50%;
}
#outputp {
padding:10px;
border: black 1px dashed;
}
</style></head><body><h2> TASK 3 - Creating, Appending and Deleting Nodes in the DOM Tree </h2><p> Type in text below, click add to add as paragraph. <buttonid="add"onclick="myFunction()"> ADD </button></p><textareaid ="input"rows="10"cols="60"></textarea><br><buttonid="delete"onclick="remove_LastChild()">Delete Last Paragraph</button><br><br><h2> Added Paragraphs </h2><divid="output"></div></body></html>I hope this hel you
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